Active NPI
Coyin Oh
- Medical Oncology Physician
- Los Angeles, CA
National Provider Identifier
1225666464
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Oncology Physician
- License
- A208067
- Practice address
- 127 S San Vicente Blvd FL 7
Los Angeles, CA 90048-3311 - Phone
- (310) 423-8030
- Fax
- (310) 967-8486
- NPI assigned
- Apr 1, 2020
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Medical Oncology Physician | 207RX0202X | A208067 | CA | Primary |
Addresses
Primary practice location
127 S San Vicente Blvd FL 7
Los Angeles, CA 90048-3311
Mailing address
4140 W 190TH St
Torrance, CA 90504-5513
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20220204001348 | CA | Order and Referring Only - Internal Medicine | 6204229701 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 036165542 | IL | MD | Hematology & Oncology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1585699200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785369600000",
"number": "1225666464",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4140 W 190TH ST",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905045513"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "127 S SAN VICENTE BLVD FL 7",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900483311",
"telephone_number": "310-423-8030",
"fax_number": "310-967-8486"
}
],
"practiceLocations": [],
"basic": {
"last_name": "OH",
"first_name": "COYIN",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-04-01",
"last_updated": "2026-07-30",
"certification_date": "2026-07-30",
"status": "A"
},
"taxonomies": [
{
"code": "207RX0202X",
"taxonomy_group": "",
"desc": "Internal Medicine, Medical Oncology",
"state": "CA",
"license": "A208067",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Los Angeles, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.